Fixing the table header

Setting does not work http://joxi.ru/D2PgJpgsJJ71Pm https://one-box.shine-bright.com.ua/admin/customorder/order/?filternumber=&filtername=&filtermanagerid=&filterclientid[0]=&filtershowprocess=onlyopen&filtercdatefrom=&filtercdateto=&filtersumfrom=&filtersumto=&workflowid[0]=8&filterdelivery =&filterpayment=&filterproductbrand=&filterproductname=&filterproductid=&filterdeliverynote=20450280523320%0D%0A20450280523595%0D%0A20450280523884%0D%0A20450280524859%0D%0A20450280525007%0D%0A20450280525737%0D%0A20450280525895%0D%0A20450280526278%0D%0A20450280553702%0D%0A20450280554136%0D %0A20450280554177%0D%0A20450280909077%0D%0A20450280909360%0D%0A20450280910470%0D%0A20450280911614%0D%0A20450280912030%0D%0A20450280912421%0D%0A20450280912846%0D%0A20450280920032%0D%0A20450280920338%0D%0A20450280920587%0D%0A20450280920865%0D%0A20450280921368 %0D%0A20450280921631%0D%0A20450280922408%0D%0A20450280968871%0D%0A20450281253721%0D%0A2045028125401